CN107789132A - A kind of auxiliary with lifting device is stood up wheelchair - Google Patents

A kind of auxiliary with lifting device is stood up wheelchair Download PDF

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Publication number
CN107789132A
CN107789132A CN201711110769.9A CN201711110769A CN107789132A CN 107789132 A CN107789132 A CN 107789132A CN 201711110769 A CN201711110769 A CN 201711110769A CN 107789132 A CN107789132 A CN 107789132A
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CN
China
Prior art keywords
ratchet
bearing
lifting
power transmission
oxter
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
CN201711110769.9A
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Chinese (zh)
Inventor
吕丽欣
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Changsha Ninghu Machinery Equipment Co Ltd
Original Assignee
Changsha Ninghu Machinery Equipment Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Changsha Ninghu Machinery Equipment Co Ltd filed Critical Changsha Ninghu Machinery Equipment Co Ltd
Priority to CN201711110769.9A priority Critical patent/CN107789132A/en
Publication of CN107789132A publication Critical patent/CN107789132A/en
Withdrawn legal-status Critical Current

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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G5/00—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
    • A61G5/10—Parts, details or accessories
    • A61G5/14—Standing-up or sitting-down aids
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G5/00—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G5/00—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
    • A61G5/10—Parts, details or accessories
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G5/00—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
    • A61G5/10—Parts, details or accessories
    • A61G5/1005—Wheelchairs having brakes
    • A61G5/1013—Wheelchairs having brakes engaging the wheel
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G5/00—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
    • A61G5/10—Parts, details or accessories
    • A61G5/1005—Wheelchairs having brakes
    • A61G5/1021—Wheelchairs having brakes engaging specific brake elements
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G2203/00—General characteristics of devices
    • A61G2203/10—General characteristics of devices characterised by specific control means, e.g. for adjustment or steering
    • A61G2203/14—Joysticks
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G2203/00—General characteristics of devices
    • A61G2203/70—General characteristics of devices with special adaptations, e.g. for safety or comfort

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Rehabilitation Tools (AREA)

Abstract

The present invention discloses a kind of auxiliary with lifting device and stood up wheelchair, and it includes：Chair frame section, manual division ratchet mechanism, synchronous pulley mechanism, automatic division ratchet mechanism and oxter lifting linkage；Manual division ratchet mechanism is fixed on the first power transmission shaft；Second driving shaft is fixed in synchronous pulley one end, and the other end is fixed on the 3rd power transmission shaft；Automatic division ratchet mechanism is fixed on the 4th power transmission shaft；Lifting linkage in oxter is individually fixed in the 3rd power transmission shaft and the 4th power transmission shaft by two drive links.The present invention manually pulls pull bar, driving lifting apparatus and the user for driving inconvenience of standing up, prevent lifting apparatus from reversing by automatic division ratchet mechanism, it is laborsaving by gear drive and synchronous pulley mechanism, lifting linkage in oxter can adjust height within the specific limits, to match the people of different heights.

Description

A kind of auxiliary with lifting device is stood up wheelchair
Technical field
Help the disabled field the present invention relates to a kind of rehabilitation, more particularly to a kind of auxiliary with lifting device is stood up wheelchair.
Background technology
The rapid growth of the aged has become the important feature of this century Chinese population growth, and the elderly aids in product Design and service problem turn into the emphasis and difficult point of the aged, " the empty nest " particularly increased rapidly, advanced age and old in spite of illness The demand for services of year people.Standing is to influence the vital factor of the elderly's ADL independence.With the increasing at age It is long, the decline of the elderly's muscular strength of lower limb, cause knee joint torque insufficient, therefore many has the elderly of ambulatory capabilities because lacking The ability of weary standing, is still trapped on wheelchair.It can not be stood up from seat, it would be desirable to which other people treatment, serious have impact on are old The physical and mental health of year people, while huge burden also result in family and society.
Existing Publication No. CN104274283B patent of invention is a kind of to have aided in the chair sat, it include seat, connecting rod, The slider-rocker mechanism that the parallel-crank mechanism and chair body, sliding block, connecting rod and rocking bar of connecting rod and rocking bar composition form.Institute Two kinds of Mechanism Combinations are stated into six-bar mechanism.One end of push rod is hinged with rocking bar, and the other end is hinged with rocking bar, and one end of rocking bar is with pushing away Bar is hinged, and the other end is hinged with worm-wheel shaft, and rocking bar rotates six bar combined mechanisms of driving.When standing up, worm gear, worm-drive drive Rocking bar rotates clockwise, and makes push rod drive rocking bar to rotate, sliding block is moved up along internal chute, while seat turns around bearing pin Dynamic, auxiliary user stands.When sitting down, user's buttocks is close to seat, and rocking bar rotates counterclockwise so that rocking bar band movable slider Move down, while seat support user and sat down；The chair for having aided in sitting is when helping people to stand up, seat support upset, Accident easily occurs with seat rotating for the body of people, for example people grab the handrail of unstable chair and fallen down, while uses It is also inconvenient to come, and the angle turned on seat support is too big, easily allows people to be slipped from seat support, the angle turned on seat support is too small, Ren Menyou Chair can not be leaned on to stand up.
The content of the invention
The technical problems to be solved by the invention are, for the above-mentioned deficiency of prior art, propose that one kind can help The people having any problem that stood from wheelchair is stood, and user, which stands, not to be had to help by other people, shakes the light auxiliary station of pull bar can A kind of vertical auxiliary with lifting device is stood up wheelchair.
The present invention solves its technical problem, and the technical scheme of use is to propose that a kind of auxiliary with lifting device is stood up Wheelchair it include：
Wheelchair part, including：Chair frame；Cushion rectangular frame, the cushion rectangular frame is in chair frame cushion portion；Side is protected Framework is protected, the side protect-ing frame structure is located at chair frame side；Bottom plate, it is fixed in chair frame, below cushion rectangular frame；Drive Driving wheel tire, below chair frame, support and driving chair frame.
Lifting part, including：Two manual division ratchet mechanisms, Liang Ge synchronous pulleys mechanism, two oxter lifting connecting rods Mechanism；Lifting part is symmetrical on wheelchair.
Manual division ratchet mechanism, including：First power transmission shaft；First ratchet, first ratchet are consolidated with the first power transmission shaft Even；First ratchet sleeve, first ratchet sleeve are enclosed on outside the first ratchet in sector；Pull bar, first bearing seat and clutch shaft bearing, The pull bar is connected with a bearing block, and the clutch shaft bearing is enclosed in first bearing seat, and the first power transmission shaft passes through first axle Hold；First ratchet, first ratchet are installed on pull bar with rotating manner and contacted with the first ratchet；First spring leaf, institute State the first spring leaf to be connected on pull bar, with the first detent contact；Block, the block are formed on the first ratchet sleeve, work as drawing Block blocks pull bar when bar turns to predetermined angular；Wherein, the tail end of the first bearing seat and the hand lever uses removable Unload connection；The club head that pulls is in U-typed.
Gear drive, below cushion rectangular frame；The gear drive includes：Little gear, first passes Moving axis passes through the little gear；Gear wheel and second driving shaft, second driving shaft pass through the gear wheel；Two diplopore bearings Seat, the diplopore bearing block are fixed on bottom plate, and the first power transmission shaft passes through the lower opening of two diplopore bearing blocks, and second driving shaft is worn Cross the upper end of two diplopore bearing blocks；The gear wheel little gear engages among two diplopore bearing blocks.
Synchronous pulley mechanism, including：Side bearing block, the side bearing block are fixed on the rectangular frame of side；Second Bearing block and second bearing, the second bearing seat are connected on the bearing block of side, and the second bearing is enclosed on first bearing seat It is interior；3rd power transmission shaft, the 3rd power transmission shaft pass through second bearing；Big synchronous pulley, the big synchronous pulley are enclosed on the 3rd biography On moving axis；Small synchronous pulley, the small synchronous pulley are enclosed on second driving shaft；Timing belt, the timing belt both ends cover respectively On big synchronous pulley and on small synchronous pulley；Tensioning wheel, the tensioning wheel are installed on the outside of chair frame, the tensioning wheel and synchronization Band contact.
Automatic division ratchet mechanism, including：4th power transmission shaft；Second ratchet, second ratchet are consolidated with the 4th power transmission shaft Even；Second ratchet sleeve, second ratchet sleeve are enclosed on outside the second ratchet in sector, second ratchet sleeve and the 4th power transmission shaft Rotation connection；3rd bearing seat and 3rd bearing, the 3rd bearing seat are connected on the bearing block of side, the 3rd bearing set In 3rd bearing seat, the 4th power transmission shaft passes through 3rd bearing；Second ratchet, second ratchet are installed on side with rotating manner Contacted on the bearing block of side and with the second ratchet；Second spring piece, the second spring piece is connected on the bearing block of side, with second Detent contact；First pushing pin and the second pushing pin, first pushing pin and the second pushing pin are formed in the second ratchet side, When the second ratchet rotates clockwise, the first pushing pin promotes the second ratchet sleeve to rotate, and reaches first the second ratchet of predetermined angular Set promotes the second ratchet the second ratchet is separated with the second ratchet；When the second ratchet rotates counterclockwise, the second pushing pin promotes Second ratchet sleeve rotates, and reaches second the second ratchet pawl reset of predetermined angular and is engaged with the second ratchet.
Oxter lifting linkage, including：First drive link, the first drive link lower end are connected with the 3rd power transmission shaft； Second drive link, the second drive link lower end are connected with the 4th power transmission shaft；Oxter lifting framework, under the oxter lifting framework Hold both sides to form two holes, use pin connection in a rotative pattern with the first drive link upper end and the second drive link upper end respectively；Sponge Pad, the foam-rubber cushion is on oxter lifting framework.
Further, the oxter lifting framework is in " day " font；Oxter lifting upper frame, the oxter lifting upper end Framework is extended by two vertical bars of rectangular frame or so and formed；Oxter lifting lower frame, the oxter lifting lower frame by " u "-shaped pipe is formed, and " u "-shaped pipe the right and left forms groove, and the left and right two for accommodating oxter lifting upper frame respectively is vertical The prolongation of straight-bar；Spacing hole, the spacing hole are formed in oxter lifting lower frame both sides.
Further, in addition to upper and lower extension adjustment device, on the lifting mechanism of oxter；The telescopic adjustment dress up and down Put including：Iron wire, the iron wire are in inverted " u "-shaped inside oxter lifting upper frame；Push rod, the push rod are located at oxter lifting On the middle transverse rod of framework, the push rod contacts with iron wire；Regulation button, the regulation button and ejector pin contact；Return spring, The return spring is between push rod and regulation button；Bayonet lock, the bayonet lock are located at iron wire both ends；Bayonet lock spring, the bayonet lock Spring contacts with bayonet lock.
One-way damper mechanism, including：Foot stool, the foot stool are connected with cushion rectangular frame；One-way damper fix bar, The one-way damper fix bar is with foot stool with free rotating manner pin connection；One-way damper stroke lever, it is described unidirectional slow Device stroke lever and the first drive link are rushed with free rotating manner pin connection.
Arrestment mechanism, including：First connecting rod, the first connecting rod use pin connection in a rotative pattern in chair frame side；Second Connecting rod, the second connecting rod are hinged with first connecting rod；Third connecting rod, the third connecting rod and second connecting rod pass through in a rotative pattern Pin connection；Brake disc, the brake disc are connected with tire；Brake-shoe, the brake-shoe pass through the promotion of third connecting rod, brake-shoe Plastic portions contacted with brake disc；Clip, the clip are enclosed in chair frame, are connected with brake-shoe.
The present invention manually pulls pull bar, drives lifting apparatus and drives the user for inconvenience of standing up, by dividing automatically Closing ratchet mechanism prevents lifting apparatus from reversing, oxter lifting connecting rod machine laborsaving by gear drive and synchronous pulley mechanism Structure can adjust height within the specific limits, to match the people of different heights.
Brief description of the drawings
Fig. 1 is the dimensional structure diagram of the present invention；
Fig. 2 is the structural representation of gear drive；
Fig. 3 is the structural representation of manual division ratchet mechanism；
Fig. 4 is the structural representation of synchronous pulley mechanism；
Fig. 5 is the structural representation of automatic division ratchet mechanism；
Fig. 6 is the structural representation of oxter lifting linkage；
Fig. 7 is the structural representation of upper and lower extension adjustment device；
Fig. 8 is the structural representation of arrestment mechanism.
Embodiment
It is the specific embodiment of the present invention and with reference to accompanying drawing below, technical scheme is further described, But the present invention is not limited to these embodiments.
The present invention as shown in Figure 1 is a kind of auxiliary lift chair with lifting device, and it includes wheelchair part 100, gear Transmission mechanism 200, manual division ratchet mechanism 300, synchronous pulley mechanism 400, automatic division ratchet mechanism 500, oxter lifting Linkage 600, upper and lower extension adjustment device 700, one-way hydraulic buffer gear 800, arrestment mechanism 900.
Wheelchair part 100 includes chair frame 110, steering tire 120, tire on the drive wheels 130, side protect-ing frame structure 140, cushion square Shape framework 150, bottom plate 160, chair frame 110 constitute the framework of whole wheelchair, and steering tire 120 and tire on the drive wheels 130 support Chair frame；The side protect-ing frame structure 140 formed positioned at wheelchair both sides, avoids people from being dropped from side；Formed positioned at seats place Cushion rectangular frame 150, for carrying people；Bottom plate 160 is fixed in chair frame, positioned at the lower section of cushion rectangular frame 150.
Gear drive 200 includes two diplopore bearing blocks 210, the first power transmission shaft 220, little gear 230, second and is driven Axle 240, gear wheel 250, two holes are formed on diplopore bearing block 210, two holes are distributed up and down, and diplopore bearing block 210 is fixed on On bottom plate, respectively positioned at the both sides of bottom plate 160；The lower opening of diplopore bearing block 210 passes through the first power transmission shaft 220, the first power transmission shaft 220 On be fixed with little gear 230, little gear 230 is between two diplopore bearing blocks 210；The upper hole of diplopore bearing block 210 passes through Second driving shaft 240, is fixed with gear wheel 250 on second driving shaft 240, gear wheel 250 positioned at two diplopore bearing blocks 210 it Between；Little gear 230 and gear wheel 250 engage passes to second driving shaft 240 by the power of the first power transmission shaft 220.Gear drive machine Structure 200 plays labour-saving by little gear 230 and the engagement of gear wheel 250 and acted on.
Manual division ratchet mechanism 300 includes the first ratchet 310, the first spring leaf 320, the first ratchet sleeve 330, first axle Hold 340, first bearing seat 350, pull bar 360, the first ratchet 370, the first ratchet 310 is fixed on the first power transmission shaft 220, One ratchet sleeve 330 is enclosed on outside the first ratchet 310, and for the first ratchet sleeve 330 in sector, the bottom of the first ratchet sleeve 330 is fixed on bottom On plate 160, block 341 is formed on the first ratchet sleeve；Clutch shaft bearing 340 is arranged on the first power transmission shaft 220, clutch shaft bearing First bearing seat 350 is cased with outside 340；The top of pull bar 360 is in "U" shaped, is easy to user to pull, the bottom of pull bar 360 Dismountable mode is fixed in first bearing seat 350；First ratchet 370 is rotatably mounted on pull bar 360, the first bullet Reed 320 is fixed on pull bar 360, and the first ratchet 370 is pressed against on the first ratchet 310.Manual division ratchet mechanism 300 is logical Crossing the first ratchet 370 drives the first ratchet 310 to complete the transmission of the power of pull bar 360, and pull bar 360, pull bar are blocked by block 341 First ratchet 310 completes power interruption under the barrier of the first ratchet sleeve 330 on 360.
Synchronous pulley mechanism 400 includes side bearing block 410, the second bearing 430 of second bearing seat 420, the 3rd power transmission shaft 440th, small synchronous pulley 450, big synchronous pulley 460, the 3rd power transmission shaft 470, timing belt 480, tensioning wheel 490, side bearing block 410 are fixed in side protect-ing frame structure 140, and second bearing seat 420 is connected on the bearing block of side, and second bearing 430 is enclosed on In one bearing block 420；Second driving shaft 240, second driving shaft 240 pass through second bearing 430；Small synchronous pulley 460 is enclosed on On two power transmission shafts 240, big synchronous pulley 460 is enclosed on the 3rd power transmission shaft 470, and the both ends of timing belt 480 are respectively fitted over big timing belt On wheel 460 and on small synchronous pulley 450；Tensioning wheel 490 is installed on the outside of chair frame 110, the tensioning wheel 490 and timing belt 480 Contact.The small power of synchronizing wheel 450 of the lower part of chair frame 110 is transferred to chair frame top by synchronous pulley mechanism 400 by timing belt 480 Divide big synchronizing wheel 460, playing labour-saving by small synchronous pulley 450 and big synchronous pulley 460 acts on, and is carried by tensioning wheel 490 The efficiency of high synchronous pulley mechanism 400.
Automatic division ratchet mechanism 500 includes 3rd bearing seat 510, the power transmission shaft 530 of 3rd bearing 520 the 4th, the second spine The 540, second ratchet sleeve 550, the second ratchet 560, second spring piece 570 are taken turns, 3rd bearing seat 510 is arranged on side bearing block On 410, for 3rd bearing 520 in 3rd bearing set 510, the 4th power transmission shaft 530 passes through 3rd bearing 520；Second ratchet 540 is solid It is connected on the 4th power transmission shaft 530, the 4th power transmission shaft 530 drives the second ratchet 540 to rotate, and the side of the second ratchet 540 forms first The pushing pin 542 of pushing pin 541 and second；First ratchet sleeve 550 is enclosed on outside the second ratchet 540 in sector, and can be surrounded 4th power transmission shaft 530 rotates；Second ratchet 560 prevents from being arranged on side bearing block 410 to rotate, and second spring piece 570 is solid It is scheduled on side bearing block 410, the second ratchet 560 is pressed against 540 on the second ratchet.When the 4th power transmission shaft 530 turns clockwise When driving the second ratchet 540 to rotate clockwise when dynamic, first pushing pin 541 promotes the second ratchet sleeve 550 suitable on the second ratchet 540 Hour hands rotate, and when the 4th power transmission shaft 530 stops operating, the second ratchet 560 withstands the second ratchet 540, prevents the second ratchet 540 Revolution, when reaching the first predetermined angular, the second ratchet sleeve 550 turns to the He of the second ratchet 540 under the effect of the first pushing pin 541 Between second ratchet 560, the second ratchet 540 and the second ratchet 560 depart from, and when the second ratchet 540 rotates counterclockwise, reach Two predetermined angulars, the second pushing pin 542 promote the second ratchet sleeve 550, and the second ratchet 540 and the second ratchet 560 contact.Automatic point Ratchet mechanism 500 is closed to contact with the second ratchet 540 by the second ratchet 560, it is inverse when preventing the second ratchet 540 from rotating clockwise Turn, the second ratchet sleeve 550 is promoted by the first pushing pin 541 and the second pushing pin 542, when the second ratchet 540 needs revolution, Block contact of second ratchet 540 with the second ratchet 560.
Oxter lifting linkage 600, including：First drive link 610, the second drive link 620, oxter lifting framework 630, Foam-rubber cushion 640, the lower end of the first drive link 610 are connected with the 3rd power transmission shaft 440.The lower end of second drive link 620 and the 4th power transmission shaft 530 be connected, the lower end both sides of oxter lifting framework 630 formed two holes, respectively with the upper end of the first drive link 610 and the second drive link Pin connection is used in a rotative pattern in 620 upper ends；First drive link 610 passes through oxter lifting framework 630 and the second drive link 620 and Three power transmission shafts 440 and the 4th power transmission shaft 530 form linkage, and the transmission of the first drive link 610 drives the second drive link 620, lift Oxter lifting framework 630 is risen, oxter lifting framework 600 also has foam-rubber cushion above, in the oxter of user and oxter lifting connecting rod Between mechanism 600, play a part of buffer protection.The oxter lifting framework 630 is used for the oxter for supporting user, it is only necessary to Lifting user is above the waist.
In addition, oxter lifting framework 630 is made up of oxter lifting upper frame 631 and oxter lifting lower frame 632, armpit Lower lifting framework both sides form two row's spacing holes 633, and two vertical extension rods, armpit is formed below in oxter lifting upper frame 631 Lower lifting lower frame 632 forms two holding tanks, accommodates two vertical extension rods respectively.
Upper and lower extension adjustment device 700 is located on oxter lifting framework 630, including iron wire 710, push rod 720, regulation button 730th, return spring 740, bayonet lock 750, bayonet lock spring 760, iron wire 710 are in inverted " u " inside oxter lifting upper frame 631 Shape, push rod 720 are located on the middle transverse rod of oxter lifting framework 630, and push rod 720 contacts with iron wire 710, regulation button 730 with Push rod 720 contacts, and between push rod 720 and regulation button 730, bayonet lock 750 is located at the both ends of iron wire 710 and limited return spring 740 In the hole 633 of position, bayonet lock spring 760 contacts with bayonet lock 750, and user presses regulation button 730, and regulation button pushes down push rod 720, Push rod 720 withstands iron wire 710, and the both ends of iron wire 710 are shunk, and pulls bayonet lock 750, and bayonet lock 750 out, now pulls from spacing hole Oxter lifting upper frame 631, regulation button 730 can be decontroled with adjusting position, return spring 740 returns regulation button 730 Position, iron wire 710 are restored to the original state, and bayonet lock is headed into spacing hole 633 by bayonet lock spring 760.
One-way damper mechanism 800 includes, foot stool 810, one-way damper fix bar 820, one-way damper stroke lever 830, foot stool 810 is connected with cushion rectangular frame 150, and one-way damper fix bar 820 is with foot stool with free rotating manner pin Connection, the drive link 610 of one-way damper stroke lever 840 and first is with free rotating manner pin connection.One-way damper mechanism 800 reduce oxter lifting linkage decrease speed by the compression of one-way damper stroke lever 830, allow user's safety and steady Sit down.
Arrestment mechanism 900 includes first connecting rod 910, second connecting rod 920, third connecting rod 930, brake disc 940, brake-shoe 950th, clip 960, first connecting rod 910 use pin connection in the side of chair frame 110 in a rotative pattern, and second connecting rod 920 and first connects Bar 910 is be hinged, and third connecting rod 930 and second connecting rod 920 pass through pin connection, brake disc 940 and tire on the drive wheels 130 in a rotative pattern It is connected, brake-shoe 950 is contacted by the promotion of third connecting rod 930, the plastic portions of brake-shoe 950 with brake disc 940, clip 960 are enclosed in chair frame 110, are connected with brake-shoe 950.User pulls first connecting rod 910, and first connecting rod promotes second connecting rod 920, second connecting rod drives third connecting rod 930, and clip 960 is enclosed in chair frame 110, and third connecting rod 930 promotes brake-shoe to rotate, Brake-shoe and brake disc 940 contact, and brake disc are pinned, so as to pin tire.Tire on the drive wheels, people's lifting are pinned by arrestment mechanism During it is more stable and safe.
When user pulls pull bar 360 to rotate once, pull bar 360 drives the first ratchet 370 to rotate, and the first ratchet 370 pushes away Dynamic first ratchet 310, the first ratchet 310 pass power from the first power transmission shaft 220 by gear wheel 250 and the engagement of little gear 230 To second driving shaft 240, power is passed to the 3rd power transmission shaft by small synchronizing wheel 450 by timing belt 480 on second driving shaft 240 440, so as to drive the first drive link 610, the first drive link 610 and second bearing 430 are rotatablely connected, the second drive link 620 with 3rd bearing 520 is rotatablely connected, and oxter lifting linkage 600 and the first drive link 610, the second drive link 620 form connecting rod Mechanism, the first drive link 610, which rotates, drives the second drive link 620 to rotate, lifting oxter lifting framework 630, oxter lifting framework 630 lift the oxter certain altitude of people, and rotating tension bar 360, pull bar 360 drive the first ratchet 370 to rotate to user again, and first Ratchet 370 promotes the first ratchet 310, and the first ratchet 310 passes power from first by gear wheel 250 and the engagement of little gear 230 Moving axis 220 passes to second driving shaft 240, and power is passed to by small synchronizing wheel 450 by timing belt 480 on second driving shaft 240 Three power transmission shafts 440, so as to drive the first drive link 610, the first drive link 610 and second bearing 430 are rotatablely connected, the second transmission Bar 620 is rotatablely connected with 3rd bearing 520, oxter lifting linkage 600 and the first drive link 610, the shape of the second drive link 620 Into linkage, the first drive link 610, which rotates, drives the second drive link 620 to rotate, lifting oxter lifting framework 630, oxter lift The oxter certain altitude that framework 630 lifts people is risen, user repeatedly pulls pull bar 360 to be finally reached height of standing up.
When user sits down, oxter lifting linkage 600 be depressed drop when, drive the first drive link 610 and second Drive link 620 rotates, and the first drive link 610 press against one-way damper stroke lever 830 and compress, and one-way damper stroke lever 830 is pressed During contracting, the decrease speed of oxter lifting linkage 600 is reduced, the second drive link 620, which rotates, drives the second ratchet 520 to rotate, Second ratchet sleeve 530 pushes the second ratchet 520 open, and the second ratchet 520 dallies, and the power of the first drive link 610 is transferred to big synchronizing wheel 450, power is passed to small synchronizing wheel 450 by big synchronizing wheel 470 by timing belt 480, and small synchronizing wheel 450 passes through the He of gear wheel 320 The engagement rotation of little gear 310 drives the first power transmission shaft 210, and pull bar 240 is located on block 290, the first ratchet 270 and the first ratchet The contact of set 230, the first power transmission shaft 210 drive the first ratchet 220 to dally.
Specific embodiment described herein is only to spirit explanation for example of the invention.Technology belonging to the present invention is led The technical staff in domain can be made various modifications or supplement to described specific embodiment or be replaced using similar mode Generation, but without departing from the spiritual of the present invention or surmount scope defined in appended claims.

Claims (8)

  1. The wheelchair 1. a kind of auxiliary with lifting device is stood up, it is characterised in that including：
    Wheelchair part, including：Chair frame；Cushion rectangular frame, the cushion rectangular frame is in chair frame cushion portion；Side protecting frame Frame, the side protect-ing frame structure are located at chair frame side；Bottom plate, it is fixed in chair frame, below cushion rectangular frame；Two turn To tire, steering tire connects with chair frame, is separately mounted in front of chair frame both sides below, supports chair frame and turns；Two Tire on the drive wheels, it is separately mounted to both sides below chair frame rear, support and driving chair frame；
    Lifting part, including：Two manual division ratchet mechanisms, Liang Ge synchronous pulleys mechanism, two automatic division ratchet mechanisms, Two oxter lifting linkages；Lifting part is symmetrical on wheelchair center line；
    Manual division ratchet mechanism, including：First power transmission shaft；First ratchet, first ratchet are connected with the first power transmission shaft；The One ratchet sleeve, first ratchet sleeve are enclosed on outside the first ratchet in sector；Pull bar, first bearing seat and clutch shaft bearing, it is described Pull bar is connected with a bearing block, and the clutch shaft bearing is enclosed in first bearing seat, and the first power transmission shaft passes through clutch shaft bearing；The One ratchet, first ratchet are installed on pull bar with rotating manner and contacted with the first ratchet；First spring leaf, described first Spring leaf is connected on pull bar, with the first detent contact；Block, the block are formed on the first ratchet sleeve, when pull bar rotates Pull bar is blocked to block during predetermined angular；
    Gear drive, below cushion rectangular frame；The gear drive includes：Little gear, the first power transmission shaft Through the little gear；Gear wheel and second driving shaft, second driving shaft pass through the gear wheel；Two diplopore bearing blocks, institute State diplopore bearing block to be fixed on bottom plate, the first power transmission shaft passes through the lower opening of two diplopore bearing blocks, and second driving shaft passes through two The upper end of individual diplopore bearing block；The gear wheel little gear engages among two diplopore bearing blocks；
    Synchronous pulley mechanism, including：Side bearing block, the side bearing block are fixed on the rectangular frame of side；Second bearing Seat and second bearing, the second bearing seat are connected on the bearing block of side, and the second bearing is enclosed in first bearing seat；The Three power transmission shafts, the 3rd power transmission shaft pass through second bearing；Big synchronous pulley, the big synchronous pulley are enclosed on the 3rd power transmission shaft On；Small synchronous pulley, the small synchronous pulley are enclosed on second driving shaft；Timing belt, the timing belt both ends are respectively fitted over greatly On synchronous pulley and on small synchronous pulley；Tensioning wheel, the tensioning wheel are installed on the outside of chair frame, and the tensioning wheel and timing belt connect Touch；
    Automatic division ratchet mechanism, including：4th power transmission shaft；Second ratchet, second ratchet are connected with the 4th power transmission shaft；The Two ratchet sleeves, second ratchet sleeve are enclosed on outside the second ratchet in sector, second ratchet sleeve and the 4th drive axis Connection；3rd bearing seat and 3rd bearing, the 3rd bearing seat are connected on the bearing block of side, and the 3rd bearing is enclosed on In three bearing blocks, the 4th power transmission shaft passes through 3rd bearing；Second ratchet, second ratchet are installed on side with rotating manner and held Contacted on pouring weight and with the second ratchet；Second spring piece, the second spring piece are connected on the bearing block of side, with the second ratchet Contact；First pushing pin and the second pushing pin, first pushing pin and the second pushing pin are formed in the second ratchet side, when When two ratchets rotate clockwise, the first pushing pin promotes the second ratchet sleeve to rotate, and reaches first the second ratchet sleeve of predetermined angular and pushes away Dynamic second ratchet makes the second ratchet be separated with the second ratchet；When the second ratchet rotates counterclockwise, the second pushing pin promotes second Ratchet sleeve rotates, and reaches second the second ratchet pawl reset of predetermined angular and is engaged with the second ratchet；
    Oxter lifting linkage, including：First drive link, the first drive link lower end are connected with the 3rd power transmission shaft；Second Drive link, the second drive link lower end are connected with the 4th power transmission shaft；Oxter lifting framework, the oxter lifting framework lower end two Side forms two holes, uses pin connection in a rotative pattern with the first drive link upper end and the second drive link upper end respectively.
  2. The wheelchair 2. a kind of auxiliary with lifting device according to claim 1 is stood up, it is characterised in that：The oxter lift It is in " day " font to rise framework；Oxter lifting upper frame, the oxter lifting upper frame are vertical by rectangular frame or so two Bar extends to be formed；Oxter lifting lower frame, the oxter lifting lower frame are formed by " u "-shaped pipe, " u "-shaped pipe the right and left Groove is formed, accommodates the prolongation of the vertical straight-bar in left and right two of oxter lifting upper frame respectively；Spacing hole, the limit Position hole is formed in oxter lifting lower frame both sides.
  3. The wheelchair 3. a kind of auxiliary with lifting device according to claim 1 is stood up, it is characterised in that：Also include up and down Extension adjustment device, on the lifting mechanism of oxter；The extension adjustment device includes：Iron wire, the iron wire is in oxter lifting It is in inverted " u "-shaped inside upper frame；Push rod, the push rod are located on the middle transverse rod of oxter lifting framework, the push rod and iron Silk contact；Regulation button, the regulation button and ejector pin contact；Return spring, the return spring is in push rod and regulation button Between；Bayonet lock, the bayonet lock are located at iron wire both ends；Bayonet lock spring, the bayonet lock spring contact with bayonet lock.
  4. The wheelchair 4. a kind of auxiliary with lifting device according to claim 1 is stood up, it is characterised in that：Also include two One-way damper mechanism, it is symmetrical on wheelchair median plane；Foot stool, the foot stool are connected with cushion rectangular frame；It is unidirectional slow Device fix bar is rushed, the one-way damper fix bar is with foot stool with free rotating manner pin connection；One-way damper stroke lever, The one-way damper stroke lever and the first drive link are with free rotating manner pin connection.
  5. The wheelchair 5. a kind of auxiliary with lifting device according to claim 1 is stood up, it is characterised in that：Also include two Arrestment mechanism, it is symmetrical on wheelchair median plane；First connecting rod, the first connecting rod use pin in a rotative pattern in chair frame side Connection；Second connecting rod, the second connecting rod are hinged with first connecting rod；Third connecting rod, the third connecting rod and second connecting rod are to revolve The mode of turning passes through pin connection；Brake disc, the brake disc are connected with tire；Brake-shoe, the brake-shoe pass through third connecting rod Promote, the plastic portions of brake-shoe contact with brake disc；Clip, the clip are enclosed in chair frame, are connected with brake-shoe.
  6. The wheelchair 6. a kind of auxiliary with lifting device according to claim 1 is stood up, it is characterised in that：The first axle The tail end of bearing and the hand lever, which uses, to be detachably connected；It is described that to pull club head U-shaped.
  7. The wheelchair 7. a kind of auxiliary with lifting device according to claim 1 is stood up, it is characterised in that：The timing belt Wheel mechanism also includes tensioning wheel, and the tensioning wheel is fixed on chair frame side, and the timing belt is tensioned.
  8. The wheelchair 8. a kind of auxiliary with lifting device according to claim 1 is stood up, it is characterised in that：The oxter lift Rise also includes foam-rubber cushion on linkage.
CN201711110769.9A 2017-11-13 2017-11-13 A kind of auxiliary with lifting device is stood up wheelchair Withdrawn CN107789132A (en)

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108741847A (en) * 2018-06-27 2018-11-06 厦门加正科技有限公司 A kind of convenience and the public chair that seat can be automatically switched
CN110507101A (en) * 2019-08-29 2019-11-29 台州学院 A kind of spare seat dynamically controlled of taking a seat of standing up
CN110960832A (en) * 2019-12-10 2020-04-07 李林芝 A multi-purpose standing up training ware for medical science rehabilitation and nursing
CN111084573A (en) * 2020-02-13 2020-05-01 电子科技大学 Intelligent foldable old people bath chair capable of assisting in rising
CN111316779A (en) * 2020-03-16 2020-06-23 山东弘宇农机股份有限公司 Tractor position adjusting lifter capable of adjusting descending speed
CN112472443A (en) * 2020-11-27 2021-03-12 宁波工程学院 Parallelogram link mechanism of auxiliary standing wheelchair
CN114699709A (en) * 2022-03-24 2022-07-05 康光明 Department of neurology rehabilitation training device

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JPH10137294A (en) * 1996-11-11 1998-05-26 Hanwa Kogyo Kk Nursing device
JPH10192344A (en) * 1997-01-10 1998-07-28 Japan Steel Works Ltd:The Help supporting transfer device
CN107280303A (en) * 2017-06-28 2017-10-24 宁波工程学院 A kind of auxiliary lift chair with lifting device
CN107334591A (en) * 2017-06-28 2017-11-10 宁波工程学院 It is a kind of that there is the auxiliary lift chair for pulling lifting device

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Publication number Priority date Publication date Assignee Title
JPH10137294A (en) * 1996-11-11 1998-05-26 Hanwa Kogyo Kk Nursing device
JPH10192344A (en) * 1997-01-10 1998-07-28 Japan Steel Works Ltd:The Help supporting transfer device
CN107280303A (en) * 2017-06-28 2017-10-24 宁波工程学院 A kind of auxiliary lift chair with lifting device
CN107334591A (en) * 2017-06-28 2017-11-10 宁波工程学院 It is a kind of that there is the auxiliary lift chair for pulling lifting device

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108741847A (en) * 2018-06-27 2018-11-06 厦门加正科技有限公司 A kind of convenience and the public chair that seat can be automatically switched
CN108741847B (en) * 2018-06-27 2024-01-02 厦门加正科技有限公司 Public chair convenient to use and capable of automatically switching chair surfaces
CN110507101A (en) * 2019-08-29 2019-11-29 台州学院 A kind of spare seat dynamically controlled of taking a seat of standing up
CN110507101B (en) * 2019-08-29 2022-06-10 台州学院 Get-up takes a seat auxiliary seat of dynamic control
CN110960832A (en) * 2019-12-10 2020-04-07 李林芝 A multi-purpose standing up training ware for medical science rehabilitation and nursing
CN111084573A (en) * 2020-02-13 2020-05-01 电子科技大学 Intelligent foldable old people bath chair capable of assisting in rising
CN111316779A (en) * 2020-03-16 2020-06-23 山东弘宇农机股份有限公司 Tractor position adjusting lifter capable of adjusting descending speed
CN112472443A (en) * 2020-11-27 2021-03-12 宁波工程学院 Parallelogram link mechanism of auxiliary standing wheelchair
CN114699709A (en) * 2022-03-24 2022-07-05 康光明 Department of neurology rehabilitation training device

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Application publication date: 20180313